Add test for named pipes on windows

Improve test for  shm on windows

mysql-test/include/windows.inc

---require r/true.require
-disable_query_log;
-select convert(@@version_compile_os using latin1) IN ("Win32","Win64","Windows") as "TRUE";
-enable_query_log;
+if (`select convert(@@version_compile_os using latin1) IN ("Win32","Win64","Windows") = 0`)
+{
+  skip Need windows;
+}
+

mysql-test/r/windows_shm.result

-mysqld is alive
-End of 5.0 tests.

mysql-test/t/named_pipe-master.opt

+--loose-enable-named-pipe

mysql-test/t/named_pipe.test

+# We currently only have named pipe support on windows, so
+# in order  to optimize things we skip this test on all
+# other platforms
+--source include/windows.inc
+
+# Only run this test if named pipe is avaliable
+let $nmp= query_get_value("SHOW VARIABLES LIKE 'named_pipe'", Value, 1);
+if (`SELECT '$nmp' != 'ON'`){
+  skip No named pipe support;
+}
+
+# Source select test case
+-- source include/common-tests.inc
+

mysql-test/t/windows_shm-master.opt → mysql-test/t/shm-master.opt

---skip-grant-tables --loose-shared-memory-base-name=HeyMrBaseNameXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX --loose-shared-memory=1
+--skip-grant-tables --loose-shared-memory-base-name=HeyMrBaseNameXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX$MTR_BUILD_THREAD --loose-shared-memory=1

mysql-test/t/windows_shm.test → mysql-test/t/shm.test

-# Windows-specific tests
+# We currently only have shm support on windows, so in order
+# to optimize things we skip this test on all other platforms
 --source include/windows.inc
 
+# Only run this test if shared memory is avaliable
+let $shm= query_get_value("SHOW VARIABLES LIKE 'shared_memory'", Value, 1);
+if (`SELECT '$shm' != 'ON'`){
+  skip No shm support;
+}
+
+# Source select test case
+-- source include/common-tests.inc
+
 #
 # Bug #24924: shared-memory-base-name that is too long causes buffer overflow
 #